Question

A man walks at the speed 7/3 for the next 2 hours and then at the speed of 3/2 for the next 2 hours. find the distance travelled by the man is 4 hours

Answer 1

distance is equal to speed into time which equals to 7 by 3 x 2 which is equal to 14/3km and distance for next 2 hours equals to 3 by 2 x 2 which equals to 3 km. Now add both the distances which is 23/3 km